package exp07gui;

import javax.swing.*;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Date;
import java.util.StringTokenizer;


public class JFrameDemo {


    public static void main(String[] args) {
        JFrame window=new JFrame("123");
        window.setTitle("计算器");
        window.setSize(226,319);
        window.setVisible(true);
        window.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

    }


}